diff --git a/src/views/system/Department/components/LeftTree.vue b/src/views/system/Department/components/LeftTree.vue
index 0ac3ce94..61b87c36 100644
--- a/src/views/system/Department/components/LeftTree.vue
+++ b/src/views/system/Department/components/LeftTree.vue
@@ -126,7 +126,7 @@ function getTree(cb?: Function) {
             { column: 'name$LIKE', value: `%${searchValue.value}%` },
         ];
     }
-
+    treeMap.clear()
     getTreeData_api(params)
         .then((resp: any) => {
             selectedKeys.value = [resp.result[0].id];